Parker's projection of the longitude at sea: whereby the mariners may be enabled to correct their accounts thereof, as often as they shall have the benefit of a clear sky and calm sea, at the time of the moon's visible southing. ... By Benjamin Parker.

Bibliographic Details

Main Author:	Parker, Benjamin, -1747
Format:	eBook
Language:	English
Series:	Eighteenth century collections online.
Online Access:	Full text online